Heystack for Gemini CLI

dev.heystack/heystack

Observability for AI apps: investigate traces, logs, LLM usage, replays and crashes; manage alerts.

client:Gemini CLI transport:streamable-http

Install Heystack in Gemini CLI

~/.gemini/settings.json · windows: %USERPROFILE%\.gemini\settings.json

{
  "mcpServers": {
    "heystack": {
      "httpUrl": "https://mcp.heystack.dev/mcp"
    }
  }
}

Gemini expands $VAR and ${VAR} inside env values, so a secret can live in your shell rather than this file. Gemini CLI docs